28697247 is an odd 8-digits composite number following 28697246
and preceding 28697248 . In scientific notation, it is written as 2.8697247 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 19057680 positive integers (up to 28697247) that are relatively prime to 28697247.
28697247 has 8 divisors, whose sum is 29163792
The reverse of 28697247 is 74279682
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million six hundred ninety-seven thousand two hundred forty-seven
Scientific notation
2.8697247 × 10^7
Engineering notation
2.8697247 × 10^6
Prime Factorization
81 × 347 × 1021
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28697247
Product of the distinct prime numbers
The prime factorization of 28697247 is 81 × 347 × 1021.
Since it has a total of 3 prime factors.
9 , 10 , 33 , 69 , 423 , 691 , 1506 , 8631 , 89763 , 74108 , 552782 , 958707 , 1969571 , 6886549 , 39493584 , 39485497 , 356326797 , 690711158 , 6933454516 , 1765453440
n×2
57394494
n×3
86091741
n×4
114788988
n×5
143486235
n÷2
14348623.5
n÷3
9565749
n÷3
7174311.75
n÷5
5739449.4
n2
823531985379009
n3
2.3633100796822E+22
n4
6.7820493094229E+29
n5
1.9462614419869E+37
2 √n
5356.9811461307
3 √n
306.15879877662
4 √n
73.191400766283
5 √n
31.014733028114
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28697246
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28697247 can be divided by 8 positive divisors.
The sum of these divisors (counting 28697247) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101011110001010011111
3
Ternary
1222222222020000
4
Quaternary
1231132022133
5
Quinary
24321302442
6
Senary
2503025343
8
Octal
155361237
10
Decimal
28697247
12
Duodecimal
973b253
16
Hexadecimal
1b5e29f
20
Vigesimal
8j7327
36
Base36
h32xr
md5
56bd068f36157eaf1369425e1fcd43cd
sha1
60940246abd8b51bc9678a7cc27a0e2af3e7a854
sha256
836553be28213190b97dae0212318110c6e3341d81b2878156c3820b21f81971
sha512
68c5c3c6c074fa89cff91345edfcc86765a64590d302aaf40ad49bce317373e568123a73701d009c55e24a5cdc866f34776f38fb59dc6dac1f66dea6d82ec27d
ripemd-160
005c2e7749a579a60146f4879d1e519709491d2c
Diameter
57394494
Circumference
180310120.7069
Area
2.5872020352629E+15
Volume
9.8994101126457E+22
Surface area
1.0348808141052E+16
Circumference
180310120.7069
Perimeter
114788988
Area
823531985379009
Diagonal
40584035.910171
Surface area
4941191912274054
Volume
2.3633100796822E+22
Space diagonal
49705089.841354
Perimeter
86091741
Area
3.5659981008363E+14
Altitude
24852544.920677
Surface area
3.5659981008363E+14
Volume
2.785187638983E+21
Height
13528011.970057